Controlled synthesis of Pd–NiO@SiO2 mesoporous core–shell nanoparticles and their enhanced catalytic performance for p-chloronitrobenzene hydrogenation with H2

Pd–NiO@SiO₂ nanocatalysts illustrated a superior catalytic performance for catalytic p-chloronitrobenzene hydrogenation to PdNi@SiO₂ and Pd@SiO₂ nanocatalysts.